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1. Gold exists in nature primarily as a pure metal and reacts with halogens like bromine. It can exist in aqueous solutions as either the aurous (Au+) or auric (Au3+) oxidation states when complexed with ligands. 2. The stability of gold complexes depends on the electronegativity of the ligand - less electronegative "soft" ligands stabilize Au+ complexes while more electronegative "hard" ligands stabilize Au3+ complexes. 3. The most important gold complex for extracting gold from ores is the extremely s

Author

Job Mateus

Language

EN